220451313 has 16 divisors (see below), whose sum is σ = 298770560. Its totient is φ = 144561024.

The previous prime is 220451267. The next prime is 220451347. The reversal of 220451313 is 313154022.

It is not a de Polignac number, because 220451313 - 2¹⁶ = 220385777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220451313.

It is not an unprimeable number, because it can be changed into a prime (220452313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94995 + ... + 97287.

It is an arithmetic number, because the mean of its divisors is an integer number (18673160).

Almost surely, 2^220451313 is an apocalyptic number.

It is an amenable number.

220451313 is a deficient number, since it is larger than the sum of its proper divisors (78319247).

220451313 is a wasteful number, since it uses less digits than its factorization.

220451313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 220451313 is about 14847.6029378483. The cubic root of 220451313 is about 604.0935934156.

The spelling of 220451313 in words is "two hundred twenty million, four hundred fifty-one thousand, three hundred thirteen".